ASROCK AM1B-ITX User Manual download pdf (Page 26)

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Chassis Speaker Header

(4-pin SPEAKER1)

(see p.9, No. 7)

Please connect the chassis

speaker to this header.

Chassis and Power Fan

Connectors

(4-pin CHA_FAN1)

(see p.9, No. 13)

(3-pin PWR_FAN1)

(see p.9, No. 1)

Please connect fan cables

to the fan connectors and

match the black wire to

the ground pin.

CPU Fan Connector

(4-pin CPU_FAN1)

(see p.9, No. 3)

is motherboard pro-

vides a 4-Pin CPU fan

(Quiet Fan) connector.

If you plan to connect a

3-Pin CPU fan, please

connect it to Pin 1-3.

ATX Power Connector

(24-pin ATXPWR1)

(see p.9, No. 6)

is motherboard pro-

vides a 24-pin ATX power

connector. To use a 20-pin

ATX power supply, please

plug it along Pin 1 and Pin

13.

1. High Denition Audio supports Jack Sensing, but the panel wire on the chassis must

support HDA to function correctly. Please follow the instructions in our manual and

chassis manual to install your system.

2. If you use an AC’97 audio panel, please install it to the front panel audio header by

the steps below:

A. Connect Mic_IN (MIC) to MIC2_L.

B. Connect Audio_R (RIN) to OUT2_R and Audio_L (LIN) to OUT2_L.

C. Connect Ground (GND) to Ground (GND).

D. MIC_RET and OUT_RET are for the HD audio panel only. You don’t need to

connect them for the AC’97 audio panel.

E. To activate the front mic, go to the “FrontMic” Tab in the Realtek Control panel

and adjust “Recording Volume”.

GND

+12V

CPU_FAN_SPEED

FAN_SPEED_CONTROL

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ASROCK AM1B-ITX User Manual Page 26

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